1?óúêYéí?￠??·ê￡??ü?à??2ê???′?·?·?·??·êê3?×רìa

2.??2???1?3′???é

??2?o?óD·á??μ?é?ê3????￡??ü1?èó3|í¨±??￡??1??ò??o???éú??￡??ü′ù??è?ì?D?3?′úD?￡???é?3|?????ˉ?μí3￡?óDoüo?μ???·ê1|D§?￡

2?á?￡o??2??￠??1??￠???é?￠2ê?·?￠???￡

×?·¨￡o??2??′??￡??￥?D??￡?ò??o?é?￡??1??Y·￠oó?D??￡????é?D??￡?2ê?·?D???￡1?èèμ1óí￡???éùDí′D?¨±???￡?????1???oí???é??·-3′￡?è?1??D?é?éμ1è?éùDí?Y??1?μ????￡μ1è???2??￥oíò?￡?·-3′?á??2?êìoó￡?1??e?￡μ1è?2ê?·??￡?μ÷è???￡?·-3′?ù?è?′?é?￡